Disaster risk governance involves a science–policy interface that in volcanic crises may create challenges for scientists trained to assess volcanic hazard and policymakers who communicate risk to residents using place-based, politically responsible and culturally appropriate methods. The realities of spatially representing changing volcanic risk levels at the Soufrière Hills Volcano in Montserrat and of communicating these changes over time on a small Caribbean island are not well understood. This chapter fills the gap by exploring a timeline of how parallel universes framed activity at the volcano and the volcanic hazard zones used to manage risk. Responses to eruptive episodes and exclusion zones were analyzed using a 15-year timeline and maps of the evolving exclusion zone footprint were generated using remotely sensed satellite imagery. Photos and secondary data show human–society responses and high levels of community responsiveness that safeguarded human lives. Findings over the study period (1995–2020) show dynamism and increasing complexity in the governance arrangements and technological sophistication in the assessment of volcanic risk levels. Authors show how use of enhanced technology in communication tools could improve assessments of volcanic risk, help attract and manage expectations of returnees, and power brokers through adaptive governance processes and real-time communication products.

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Montserrat’s Parallel Universes: Mapping Science, Policy and Society During a Volcanic Emergency

  • Omari Graham,
  • Arlette Saint Ville,
  • Gabrielle Thongs

摘要

Disaster risk governance involves a science–policy interface that in volcanic crises may create challenges for scientists trained to assess volcanic hazard and policymakers who communicate risk to residents using place-based, politically responsible and culturally appropriate methods. The realities of spatially representing changing volcanic risk levels at the Soufrière Hills Volcano in Montserrat and of communicating these changes over time on a small Caribbean island are not well understood. This chapter fills the gap by exploring a timeline of how parallel universes framed activity at the volcano and the volcanic hazard zones used to manage risk. Responses to eruptive episodes and exclusion zones were analyzed using a 15-year timeline and maps of the evolving exclusion zone footprint were generated using remotely sensed satellite imagery. Photos and secondary data show human–society responses and high levels of community responsiveness that safeguarded human lives. Findings over the study period (1995–2020) show dynamism and increasing complexity in the governance arrangements and technological sophistication in the assessment of volcanic risk levels. Authors show how use of enhanced technology in communication tools could improve assessments of volcanic risk, help attract and manage expectations of returnees, and power brokers through adaptive governance processes and real-time communication products.